The HP 3400 Pro Series includes proven business PC modules and components designed and tested to rigorous business PC standards. Delivered in two familiar form factors, small form factor and microtower with line in and line out and USB ports up front for convenience, the 3400 Pro Series will satisfy your day-to-day business computing requirements. 

Specifications SATA SuperMulti DVD writer Integrated Intel HD Graphics 2500 Integrated High Definition audio with Realtek 2 channel ALC261 codec (all ports are stereo) 10/100/1000 Gigabit LAN 1 LP PCI, 2 LP PCIe x1, 1 LP PCIe x16 Ports - 4 USB 3.0, 6 USB 2.0, 2 PS/2, Serial, VGA, DisplayPort, RJ-45, Audio in/out 

Built for efficiency Exclusive HP Power Assistant software, with remote capabilities, enables quick and easy power management through a simple user interface. Manipulate energy consumption throughout your organization and stay in control. Beyond business-reliable performance and sound stability features, the HP   3400 Business PC is also designed to support your company’s environmental initiatives with qualifying configurations. ENERGY STAR® qualified EPEAT® Gold registered BFR/PVC free materials

 The HP Compaq Pro 3400 PC is with Intel Q75 Express chipset supporting Intel 2nd and 3rd generation core processors featuring Intel HD Graphics Intel 82579LM GbE integrated network connection, DDR3 Synchronous Dynamic Random Access Memory (SDRAM).
Maximum graphics memory: 32 GB.

• DisplayPort: 1.1a; Integrated, multimode capa...
• Bus type: PCI Express x16
• RAMDAC: Integrated; 350 MHz
• OS:- Windows 10 Professional 64bit
• Software:- OEM  office suite 2016 professional plus Lifetime Licensed. Office Professional Plus 2013 includes Word, PowerPoint, Excel, Outlook, OneNote, Access, Publisher, and Lync.